Factor by factoring out the negative of the GCF.-5z + 35
A. -5(z + 7)
B. -5(z - 7)
C. -5(z - 35)
D. -7(z - 5)
Answer: B
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 2yi + yj + zk; C: the counterclockwise path around the boundary of the ellipse 
+ 
= 1
A. 20? B. -40 C. 40? D. -40?
Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/g2(x), x = 4
A. - 
B. 
C. 
D. - 
Determine the values of x for which the radical expression is a real number. Express your answer as an inequality or write "all real numbers".
A. x ? -9 B. x ? 9 C. all real numbers D. x ? 0
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3.5 (even), -2.5 (odd), 1.5 (odd) B. -3.5 (odd), -2.5 (even), 1.5 (odd) C. -3.5 (odd), -2.5 (even), 1.5 (even) D. -3.5 (even), -2.5 (odd), 1.5 (even)